Add 70/63 and 18/8
1st number: 1 7/63, 2nd number: 2 2/8
70/63 + 18/8 is 121/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 8 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
70/63 = 70 × 8/63 × 8 = 560/504 - Likewise, for the 2nd fraction, since 8 × 63 = 504,
18/8 = 18 × 63/8 × 63 = 1134/504 - Add the two like fractions:
560/504 + 1134/504 = 560 + 1134/504 = 1694/504 - 1694/504 simplified gives 121/36
- So, 70/63 + 18/8 = 121/36
In mixed form: 313/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/63+36/8 70/63+18/16 70/63+54/8 70/63+18/24 70/63+90/8 70/63+18/40 70/63+18/56